Metalform Mags for Your 1911 Commander in .38 Super

Since its release back in 1929, the .38 Super cartridge has ebbed and flowed in popularity. Some say that in North America, the load is now almost entirely confined to competition shooting and collectors. Other devoted followers contend that it remains a solid self-defense cartridge.

As some put it, the cartridge hits harder, is easier to shoot, and you get more ammo capacity than you do with a .45. Many shooters, most notably those who do their own reloading, prefer .38 Super over 9mm for the ballistic advantages and ease of reloading.

If you’re reading this because you’re looking for some new mags for your 1911 Commander in .38 Super, you’ve come to the right place.

Colt Series 80 1911 MK IV Combat Commander chambered in .38 Super
Colt Series 80 1911 MK IV Combat Commander chambered in .38 Super.

At GunMag Warehouse, we’ve got six options for you to choose from, all from Metalform, the company that makes mags for OEM companies like Colt, Kimber, S&W, and Springfield Armory. These companies trust Metalform to make the mags that they send out with their new handguns. Metalform mags earn high praise out in the field and are known for exceeding performance expectations.

.38 Super History

The cartridge was first intended for law enforcement back in the Great Depression, offering more power than their .38 Special revolvers and .45 ACP pistols. With a higher velocity, the Super had the potential to penetrate the vehicles and soft armor used by the new breed of criminals like Baby Face Nelson and John Dillinger.

At the time, it was the most powerful round for semi-autos in the USA—one of the first handgun cartridges that relied on velocity, rather than size, to get results. Folks on both sides of the law developed a respect for the .38 Super. Baby Face Nelson actually had a custom 1911 built by gunsmith Hyman Lebman chambered for the Super with a custom 22-round extended magazine and Thompson foregrips.

Hyman Lebman's custom 1911 in .38 Super with Thompson foregrips.
Hyman Lebman’s custom 1911 in .38 Super with Thompson foregrips.

The load was popular for several years, but it took a second seat when .357 Magnum came around in 1935. In those days, lawmen were more likely to use revolvers. 

In the early 80s, the .38 Super made a real splash in the competition world. International Practical Shooters Confederation (IPSC) competitors began experimenting with various loads and found that the Super offered several advantages. With a smaller case diameter compared to .45 ACP, the Super allowed for an increased capacity of two rounds. And not only did it meet the power factor requirement, they learned that by fitting their pistol with a muzzle brake, they were able to reduce recoil and get faster follow-up shots.

Currently in the competition world, .38 super still retains a strong following even if it doesn’t quite retain the dominance that it once did. Proponents argue that since the 9mm is more difficult to load to Open Division specs, it’s unlikely that .38 Super will fade from use. 

Considered a “recreational” load, the .38 Super has also been a popular cartridge in Latin American countries due to restrictions on “military” calibers like the 9mm or .45 ACP.

.38 Super Fast Facts

  • Released: 1929
  • Bullet Diameter: .356 inches
  • Base Diameter: .385 inches
  • Neck Diameter: .385 inches
  • Case Length: .9 inches
  • Overall Length 1.28 inches
  • Designed specifically for semiautomatic pistols

1911 Government .38 Super Metalform Magazine Options

You’ve got several choices to make with these mags. As for construction material, you can choose from cold-rolled steel or stainless. Also, do you want a welded base plate that’s going to fit flush or would you prefer a removable base plate that you can customize? Do you want a round or flat follower?

What is a flat follower?

The flat followers are the original Colt design followers and provide for that classic 1911 magazine look and function. They’re made of a high-strength heat-treated stainless 400 series for long-lasting performance and rigid slide lock action. 

How is a round follower different than a flat follower?

Metalform round followers have an anti-tilt design that results in fewer potential nose-diving issues during chambering. Also, with the round top, the ammo has radius-to-radius contact to the follower that mimics another round below the final one. This provides for smooth chambering of the final round into the barrel.

Ready to take a look? Each of these Magazines offers a 9-round capacity. Our guy Daniel made a video for each model so you can learn more about it. Let’s check out the magazines with welded base plates first, then we’ll check out the ones that have removable base plates.

1911 Commander .38 Super Mags with Welded Base

Welded base plates have a flush fit with your gun and are more easily concealed.

Metalform 9-round magazine 1911 Commander in .38 Super, welded base plate, flat follower.
With the fixed, flush-fitting welded baseplate and steel wire spring internals, these Metalform magazines deliver maximum durability and reliability.
1911 Commander .38 Super 9-round stainless steel Metalform magazine welded baseplate and flat follower
Metalform mags are engineered to deliver reliable performance in even the most extreme conditions. Metalform magazines are a great all-weather upgrade for your .38 Super 1911.

1911 Commander .38 Super Mags with Removable Base

Removeable baseplates make it easier to get into your magazine for cleaning, and you also have the opportunity to upgrade the magazine. Both of these magazines come with a round follower, with your choice of cold-rolled steel or stainless.

1911 Commander magazines for .38 Super, Metalform, 9-round, round follower
These Metalform magazines are designed for combat- and competition-ready performance.
Metalform 1911 Commander, Government .38 super 9-round magazine removable baseplate and round follower
This magazine is made from tough stainless steel with wide-cut witness holes and steel internal springs.
Stephanie Kimmell is the firstborn daughter of Missouri's Pecan King, worthy scion of a Vietnam veteran sailor turned mad engineer-orchardist-inventor-genius. With a BA in technical writing, she freelances as a writer and editor. A Zymurgist greatly interested in the decoction of fermented barley and hops, she is in many ways a modern amalgam of Esther Hobart Morris, Rebecca Boone, and Nellie Bly. She hunts, fishes, butchers, and cooks most anything. When not editing or writing, she makes soaps and salves, spins wool, and occasionally makes cheese from cows she milked herself. Kimmell is a driven epistemophilic who loves live music and all sorts of beer.

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